From mboxrd@z Thu Jan 1 00:00:00 1970 From: Leon Romanovsky Subject: [rdma-next 8/8] IB/mlx5: Report mlx5 enhanced multi packet WQE capability Date: Thu, 17 Aug 2017 15:52:35 +0300 Message-ID: <20170817125235.5107-9-leon@kernel.org> References: <20170817125235.5107-1-leon@kernel.org> Return-path: In-Reply-To: <20170817125235.5107-1-leon-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org> Sender: linux-rdma-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Doug Ledford Cc: linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Leon Romanovsky , Bodong Wang List-Id: linux-rdma@vger.kernel.org From: Bodong Wang Expose enhanced multi packet WQE capability to user space through query_device by uhw. Signed-off-by: Bodong Wang Reviewed-by: Daniel Jurgens Signed-off-by: Leon Romanovsky --- drivers/infiniband/hw/mlx5/main.c | 5 +++++ include/linux/mlx5/mlx5_ifc.h | 2 +- include/uapi/rdma/mlx5-abi.h | 1 + 3 files changed, 7 insertions(+), 1 deletion(-) diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c index aef1d8a0f4e4..06cdc279364d 100644 --- a/drivers/infiniband/hw/mlx5/main.c +++ b/drivers/infiniband/hw/mlx5/main.c @@ -815,6 +815,11 @@ static int mlx5_ib_query_device(struct ib_device *ibdev, if (MLX5_CAP_ETH(mdev, multi_pkt_send_wqe)) resp.mlx5_ib_support_multi_pkt_send_wqes = MLX5_IB_ALLOW_MPW; + + if (MLX5_CAP_ETH(mdev, enhanced_multi_pkt_send_wqe)) + resp.mlx5_ib_support_multi_pkt_send_wqes |= + MLX5_IB_SUPPORT_EMPW; + resp.response_length += sizeof(resp.mlx5_ib_support_multi_pkt_send_wqes); } diff --git a/include/linux/mlx5/mlx5_ifc.h b/include/linux/mlx5/mlx5_ifc.h index 4334ce9fc803..6329348ff1d2 100644 --- a/include/linux/mlx5/mlx5_ifc.h +++ b/include/linux/mlx5/mlx5_ifc.h @@ -604,7 +604,7 @@ struct mlx5_ifc_per_protocol_networking_offload_caps_bits { u8 rss_ind_tbl_cap[0x4]; u8 reg_umr_sq[0x1]; u8 scatter_fcs[0x1]; - u8 reserved_at_1a[0x1]; + u8 enhanced_multi_pkt_send_wqe[0x1]; u8 tunnel_lso_const_out_ip_id[0x1]; u8 reserved_at_1c[0x2]; u8 tunnel_statless_gre[0x1]; diff --git a/include/uapi/rdma/mlx5-abi.h b/include/uapi/rdma/mlx5-abi.h index a61a512e5747..1791bf123ba9 100644 --- a/include/uapi/rdma/mlx5-abi.h +++ b/include/uapi/rdma/mlx5-abi.h @@ -171,6 +171,7 @@ struct mlx5_packet_pacing_caps { enum mlx5_ib_mpw_caps { MPW_RESERVED = 1 << 0, MLX5_IB_ALLOW_MPW = 1 << 1, + MLX5_IB_SUPPORT_EMPW = 1 << 2, }; enum mlx5_ib_sw_parsing_offloads { -- 2.14.1 -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html